1, the logo of the automobile manufacturer; 2. Glass manufacturer's logo; 3. EU ECE certification code and certification number; 4. American certification number, glass type and thickness; 5. China 3C certification and certification number; 6. Production time;
As shown in the figure below:
Audi, Fuyao Glass, European Union ECE certification number, American DOT certification number, 4.0 thickness laminated front windshield, Fuyao Glass Changchun Branch, June 5438+ 10;
The above trademarks are indispensable, basically all of them are available. Individual automobile factories or parts manufacturers may only have simple signs, but they must have 3C signs.